CN106431779A - Phenanthrene-contaminated soil restoring fertilizer - Google Patents
Phenanthrene-contaminated soil restoring fertilizer Download PDFInfo
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- CN106431779A CN106431779A CN201611240244.2A CN201611240244A CN106431779A CN 106431779 A CN106431779 A CN 106431779A CN 201611240244 A CN201611240244 A CN 201611240244A CN 106431779 A CN106431779 A CN 106431779A
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- phenanthrene
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
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Abstract
The invention relates to the technical field of fertilizers, in particular to a phenanthrene-contaminated soil restoring fertilizer which comprises, by weight, 20-40 parts of urea, 15-20 parts of urea phosphate, 25-35 parts of monopotassium phosphate, 10-20 parts of potassium carbonate, 18-22 parts of sodium carbonate, 8-12 parts of sodium borate, 6-9 parts of phenylalanine, 10-15 parts of decomposed coal, 14-18 parts of microelement extracting solution, 22-26 parts of modified red mud, 18-25 parts of modified calcium hydroxide and 20-30 parts of modified corncobs. The fertilizer is nutrient-rich, contains various major elements and micro-nutrient elements necessary for crops, and is rich in various nutrient elements and remarkable in effect, the total nutrient content of nitrogen, phosphorus and potassium is higher than or equal to 42.9%, the removal rate of phenanthrene in soil reaches 99.2% or more, by taking beetroot as an example, yield can be increased by 11.2-11.6%, and double benefits of high yield and removal of the phenanthrene serving as a contaminant are achieved.
Description
Technical field
The present invention relates to technical field of fertilizers is and in particular to a kind of repairing fertiliser of phenanthrene-polluted soil.
Background technology
Polycyclic aromatic hydrocarbon (PAHs) refer to two or more aromatic rings thick with together with a class compound, be prevalent in
In environment.There is strong carcinogenecity, mutagenicity and teratogenecity, growth of microorganism is had high inhibition act on, and polycyclic aromatic hydrocarbon warp
After ultraviolet light, toxicity is bigger.The source of polycyclic aromatic hydrocarbon has two kinds, natural source and artificial source.With the acceleration of industrial process,
Phenanthrene has the structure of typical polycyclic aromatic hydrocarbon, is one of common pollutant in soil, river and deposit.Industry
Upper Phenanthrene can be used as dyestuff, insecticide, plastics, explosive and medicine, and Phenanthrene is that the palpus generally acknowledged in the world is first
One of organic compound being first controlled by.Current Phenanthrene has become to the pattern chemical combination in degrading polycyclic aromatic hydrocarbons research
Thing.Phenanthrene can enter human body by food chain, endangers human health.Polycyclic aromatic hydrocarbon has become in Chinese soil environment relatively
For the important organic pollution of a common class, its pollution level is still aggravated continuous, directly influences soil function and agricultural production
Product safety.The main path of Pollution of Polycyclic Aromatic Hydrocarbons in Soil has sewage irrigation, atmospheric sedimentation, waste dumps and industrial seepage, lives
Property charcoal absorption, the abiotic processing method such as organic solvent extraction and surfactant cleaning PAHs can be controlled to a certain extent dirty
Dye diffusion, is the effective measures of field first aid, but does not also fundamentally solve PAHs pollution；Therefore, develop a kind of low one-tenth
This, reparation situation is controlled, meet environmental friendliness development, the novel farmland that can efficiently alleviate the pollution problem of P in soil AHs fertile
Material, had both enabled crop yield, and also can effectively repair the pollution that PAHs brings to soil, reduced its content in soil, right
China's agricultural development and fertilizer field have great significance and urgency.
Content of the invention
The present invention is to solve above-mentioned technical problem, there is provided a kind of repairing fertiliser of phenanthrene-polluted soil.
To realize particular by technical scheme below：
A kind of repairing fertiliser of phenanthrene-polluted soil, is made up of following principle by weight：Carbamide 20～40, urea phosphate
15～20, potassium dihydrogen phosphate 25～35, potassium carbonate 10～20, sodium carbonate 18～22, Borax 8～12, Phenylalanine 6～9, air slaking
Coal 10～15, trace element extracting solution 14～18, changed red mud 22～26, modified calcium hydroxide 18～25, modified corn core 20
～30.
Preferably, it is made up of following principle by weight：Carbamide 30, urea phosphate 18, potassium dihydrogen phosphate 30, potassium carbonate
15th, sodium carbonate 20, Borax 11, Phenylalanine 8, weathered coal 13, trace element extracting solution 16, changed red mud 24, modified hydroxide
Calcium 22, modified corn 25.
Further, described trace element extracting solution, is by mass mixings such as wheat-germ meal, Herba corydalis edulis and Rhizoma amorphophallis, obtains mixing
Material, drying to water content is 8～12%, pulverizes 60～80 mesh sieves, adds 2.5～3 times of compound of tartaric acid, extracts 3
～4h, then with supersound process 15～20min under the frequency of 60～80KHz, under the rotating speed of 2000～3000r/min centrifugation 10～
15min, takes supernatant, adds winestone acid soak precipitation, repeats to extract 2 times, three supernatant is merged, concentrates, you can.
Further, described changed red mud, collects red mud, adds the hydrochloric acid of 3.5～4.5mol/L, and adjusting pH value is 6.5
～7, clear water washs and does not contain chloride ion to red mud, by red mud, attapulgite and epoxy resin press 1: 0.45～0.52:
2～3 mass ratio mixing, stirs 45～55min at 100～120 DEG C, filters, under nitrogen protection, by filtering residue at 655～670 DEG C
Lower calcining 1.5～1.7h, pulverized 20～40 mesh sieves, you can.
Further, described modified calcium hydroxide, calcium oxide, tartaric acid and water are pressed 1: 0.35～0.38: 2.5～3
Mass ratio mix, at 100～110 DEG C, magnetic stirrer 35～40min, add calcium oxide quality 20～25% different
Propanol, 65～70 DEG C of heating in water bath, after magnetic stirrer 40～45min, add 0.6～0.7 times of calcium oxide quality
Aluminium oxide, mixes thoroughly, obtains compound, and compound is put into combustor, is risen to the temperature of combustor with the speed of 55～60 DEG C/h
300～350 DEG C, adjusting the indoor temperature of burning is 0.15～0.2MPa, calcines 2.5～3h, cooling, pulverizes.
Further, described modified corn core, preparation method is by corn cob, and drying to water content is 6～8%, pulverizes
Cross 60～80 mesh sieves, add oxalic acid, addition is 1.5～2 times of corn cob quality, and magnetic stirring apparatuss stir at 50～55 DEG C
After 25～30min, add 0.3～0.35 times of corn cob weight of bentonite, after continuing stirring 40～45min, filter, dry
?.
Further, described carbamide, urea phosphate, total nitrogen >=48%, described urea phosphate, potassium dihydrogen phosphate, with five oxygen
Change two phosphorus meters, total phosphorus content >=38%, described potassium dihydrogen phosphate, potassium carbonate, in terms of potassium oxide, general potassium amount >=45%.
Further, the repairing fertiliser of described phenanthrene-polluted soil, its preparation method, comprise the following steps：
(1) by carbamide, urea phosphate, potassium dihydrogen phosphate, potassium carbonate, sodium carbonate and Borax are carried out respectively under respective fusing point
Melt process, is dried, and pulverizes respectively and mixes after 20～40 mesh sieves, under the frequency of vibration of 100～120 times/min vibration 8～
12min, obtains material 1；
(2) Phenylalanine is dissolved in water, forms the aqueous solution that concentration is 35～45%, add weathered coal, with 2～3 DEG C/
The speed of min rises to temperature after 90～100 DEG C, stirs 10～15min, stands 2～3h at 4～6 DEG C, 1000～
It is centrifuged 8～12min under the rotating speed of 1500r/min, precipitation is dried, pulverized 20～40 mesh sieves, and obtained material 2；
(3) 1 will be expected, expect 2, changed red mud, modified calcium hydroxide and the mixing of modified corn core, in the frequency of 150～170KHz
Supersound process 25～30min under rate, by granulator granulation, dries.
In sum, the beneficial effects of the present invention is：This Fertilizer nutrient is enriched, containing the necessary multiple a large amount of units of crop
Element and micronutrient element, nitrogen, phosphorus, potassium total nutrient >=42.9%, rich in various nutrient elements, the present invention Sino-Philippines removing to soil
Rate reaches more than 99.2%, effect is significant, and not only luxuriant and rich with fragrance removal efficiency is high for the fertilizer of the present invention, also has abundant nutrition, with Radix Betae
As a example, be effectively promoted the growth of Radix Betae, per mu yield, with respect to matched group, can increase production 11.2～11.6%, realize high yield and
The luxuriant and rich with fragrance double benefit of removing pollutant.
Wherein, trace element extracting solution, the trace element extracting from simple food materials, rich in zinc, ferrum and selenium, one side energy
There is provided growth required trace element for plant growth, promote the growth of crop, on the other hand, trace element can reduce organic
Migration in soil for the thing, suppresses the absorption to Organic substance for the plant, reduces the enrichment of Organic substance, the harm of Organic substance is dropped to
Low.
Changed red mud, by the modification of attapulgite and epoxy resin, enhances the reduction of dissolved of aluminium oxide in red mud,
Increase specific surface area, enhance its construction unit, by oxidative degradation, play and remove the Sino-Philippines effect of soil, improve
The functional group of oxide surface, lifts it to luxuriant and rich with fragrance adsorption function.
Modified calcium hydroxide, can effectively adsorb soil China and Philippines, by the modification of tartaric acid and isopropanol, effectively increase
The specific surface area of calcium hydroxide and pore specific surface area, are greatly improved calcium hydroxide to luxuriant and rich with fragrance adsorption efficiency, by oxidation
The modification of aluminum, the specific surface area of modified adsorbent and pore specific surface area are greatly improved, and contribute to luxuriant and rich with fragrance capture, pole
The earth improves the absorbability of calcium hydroxide.
Modified corn core, after being modified, effectively activates the active function groups of Semen Maydiss wicking surface by oxalic acid and bentonite,
Improve pore structure, increase the specific surface area of Semen Maydiss wicking surface, increase the quantity of active function groups, effectively lift the absorption of corn cob
Ability, reduces the luxuriant and rich with fragrance content of soil.
Specific embodiment
Below the specific embodiment of the present invention is described in further detail, but the invention is not limited in that these are real
Apply mode, the improvement on any essence spirit in the present embodiment or replacement, still fall within the claims in the present invention required for protection
Scope.
Embodiment 1
A kind of repairing fertiliser of phenanthrene-polluted soil, is made up of following principle by weight：Carbamide 20kg, urea phosphate
15kg, potassium dihydrogen phosphate 25kg, potassium carbonate 10kg, sodium carbonate 18kg, Borax 8kg, Phenylalanine 6kg, weathered coal 10kg, micro
Element extraction liquid 14kg, changed red mud 22kg, modified calcium hydroxide 18kg, modified corn core 20kg.
Described trace element extracting solution, is by mass mixings such as wheat-germ meal, Herba corydalis edulis and Rhizoma amorphophallis, obtains compound, dries
It is 8% to water content, pulverized 60 mesh sieves, add 2.5 times of compound of tartaric acid, extract 3h, then with the frequency of 60KHz
Supersound process 15min, is centrifuged 10min under the rotating speed of 2000r/min, takes supernatant, adds winestone acid soak precipitation, repeats
Extract 2 times, three supernatant merged, concentrates, you can.
Described changed red mud, collects red mud, adds the hydrochloric acid of 3.5mol/L, and adjusting pH value is 6.5, and clear water washs to red
Do not contain chloride ion in mud, red mud, attapulgite and epoxy resin are pressed 1: 0.45: 2 mass ratio mixing, at 100 DEG C
Stirring 45min, filters, and under nitrogen protection, filtering residue is calcined 1.5h at 655 DEG C, pulverized 20 mesh sieves, you can.
Described modified calcium hydroxide, the mass ratio that calcium oxide, tartaric acid and water are pressed 1: 0.35: 2.5 mixes, 100 DEG C
Under, magnetic stirrer 35min, add the 20% of calcium oxide quality isopropanol, 65 DEG C of heating in water bath, magnetic stirring apparatuss stir
After mixing 40min, add 0.6 times of calcium oxide quality of aluminium oxide, mix thoroughly, obtain compound, compound is put into combustor, with 55
DEG C/temperature of combustor rises to 300 DEG C by the speed of h, adjusting the indoor temperature of burning is 0.15MPa, calcines 2.5h, cooling,
Pulverize.
Described modified corn core, preparation method is by corn cob, and drying to water content is 6%, pulverizes 60 mesh sieves, plus
Enter oxalic acid, addition is 1.5 times of corn cob quality, after magnetic stirring apparatuss stir 25min at 50 DEG C, add corn cob weight
0.3 times of bentonite, after continuing stirring 40min, filter, dry.
Described carbamide, urea phosphate, total nitrogen >=48%, described urea phosphate, potassium dihydrogen phosphate, with phosphorus pentoxide
Meter, total phosphorus content >=38%, described potassium dihydrogen phosphate, potassium carbonate, in terms of potassium oxide, general potassium amount >=45%.
The repairing fertiliser of described phenanthrene-polluted soil, its preparation method, comprise the following steps：
(1) by carbamide, urea phosphate, potassium dihydrogen phosphate, potassium carbonate, sodium carbonate and Borax are carried out respectively under respective fusing point
Melt process, is dried, and mixed, and vibrated 8min, obtain material 1 under the frequency of vibration of 100 times/min after pulverizing 20 mesh sieves respectively；
(2) Phenylalanine is dissolved in water, forms the aqueous solution that concentration is 35%, add weathered coal, with the speed of 2 DEG C/min
Temperature is risen to after 90 DEG C, stirs 10min, at 4 DEG C, stand 2h, be centrifuged 8min under the rotating speed of 1000r/min, precipitation is dried
Dry, pulverize 20 mesh sieves, obtain material 2；
(3) will expect 1, expect 2, changed red mud, modified calcium hydroxide and the mixing of modified corn core, super under the frequency of 150KHz
Sonication 25min, by granulator granulation, dries.
Embodiment 2
A kind of repairing fertiliser of phenanthrene-polluted soil, is made up of following principle by weight：Carbamide 40kg, urea phosphate
20kg, potassium dihydrogen phosphate 35kg, potassium carbonate 20kg, sodium carbonate 22kg, Borax 12kg, Phenylalanine 9kg, weathered coal 15kg, micro-
Secondary element extracting solution 18kg, changed red mud 26kg, modified calcium hydroxide 25kg, modified corn core 30kg.
Described trace element extracting solution, is by mass mixings such as wheat-germ meal, Herba corydalis edulis and Rhizoma amorphophallis, obtains compound, dries
It is 12% to water content, pulverized 80 mesh sieves, add 3 times of compound of tartaric acid, extract 4h, then with the frequency of 80KHz
Supersound process 20min, is centrifuged 15min under the rotating speed of 3000r/min, takes supernatant, adds winestone acid soak precipitation, repeats
Extract 2 times, three supernatant merged, concentrates, you can.
Described changed red mud, collects red mud, adds the hydrochloric acid of 4.5mol/L, and adjusting pH value is 7, and clear water washs to red mud
In do not contain chloride ion, by red mud, attapulgite and epoxy resin press 1: 0.52: 3 mass ratio mixing, stir at 120 DEG C
Mix 55min, filter, under nitrogen protection, filtering residue is calcined 1.7h at 670 DEG C, pulverized 40 mesh sieves, you can.
Described modified calcium hydroxide, calcium oxide, tartaric acid and water is pressed 1: 0.38: 3 mass ratio mixing, at 110 DEG C,
Magnetic stirrer 40min, adds the 25% of calcium oxide quality isopropanol, 70 DEG C of heating in water bath, magnetic stirrer
After 45min, add 0.7 times of calcium oxide quality of aluminium oxide, mix thoroughly, obtain compound, compound is put into combustor, with 60
DEG C/temperature of combustor rises to 350 DEG C by the speed of h, adjusting the indoor temperature of burning is 0.2MPa, calcines 3h, cooling, pulverizes
?.
Described modified corn core, preparation method is by corn cob, and drying to water content is 8%, pulverizes 80 mesh sieves, plus
Enter oxalic acid, addition is 2 times of corn cob quality, after magnetic stirring apparatuss stir 30min at 55 DEG C, add corn cob weight
0.35 times of bentonite, after continuing stirring 45min, filters, dries.
Described carbamide, urea phosphate, total nitrogen >=48%, described urea phosphate, potassium dihydrogen phosphate, with phosphorus pentoxide
Meter, total phosphorus content >=38%, described potassium dihydrogen phosphate, potassium carbonate, in terms of potassium oxide, general potassium amount >=45%.
The repairing fertiliser of described phenanthrene-polluted soil, its preparation method, comprise the following steps：
(1) by carbamide, urea phosphate, potassium dihydrogen phosphate, potassium carbonate, sodium carbonate and Borax are carried out respectively under respective fusing point
Melt process, is dried, and mixed, and vibrated 12min, obtain material 1 under the frequency of vibration of 120 times/min after pulverizing 40 mesh sieves respectively；
(2) Phenylalanine is dissolved in water, forms the aqueous solution that concentration is 45%, add weathered coal, with the speed of 3 DEG C/min
Temperature is risen to after 100 DEG C, stirs 15min, at 6 DEG C, stand 3h, be centrifuged 12min under the rotating speed of 1500r/min, will precipitate
Dry, pulverized 40 mesh sieves, and obtained material 2；
(3) will expect 1, expect 2, changed red mud, modified calcium hydroxide and the mixing of modified corn core, super under the frequency of 170KHz
Sonication 30min, by granulator granulation, dries.
Embodiment 3
A kind of repairing fertiliser of phenanthrene-polluted soil, is made up of following principle by weight：Carbamide 30kg, urea phosphate
18kg, potassium dihydrogen phosphate 30kg, potassium carbonate 15kg, sodium carbonate 20kg, Borax 11kg, Phenylalanine 8kg, weathered coal 13kg, micro-
Secondary element extracting solution 16kg, changed red mud 24kg, modified calcium hydroxide 22kg, modified corn 25kg.
Described trace element extracting solution, is by mass mixings such as wheat-germ meal, Herba corydalis edulis and Rhizoma amorphophallis, obtains compound, dries
It is 10% to water content, pulverized 70 mesh sieves, add 2.8 times of compound of tartaric acid, extract 3.5h, then the frequency with 70KHz
Supersound process 18min under rate, is centrifuged 13min under the rotating speed of 2500r/min, takes supernatant, adds winestone acid soak precipitation,
Repeat to extract 2 times, three supernatant merged, concentrates, you can.
Described changed red mud, collects red mud, adds the hydrochloric acid of 4mol/L, and adjusting pH value is 7, and clear water washs to red mud
Do not contain chloride ion, red mud, attapulgite and epoxy resin are pressed 1: 0.48: 2.5 mass ratio mixing, stir at 110 DEG C
Mix 50min, filter, under nitrogen protection, filtering residue is calcined 1.6h at 658 DEG C, pulverized 30 mesh sieves, you can.
Described modified calcium hydroxide, the mass ratio that calcium oxide, tartaric acid and water are pressed 1: 0.37: 2.8 mixes, 105 DEG C
Under, magnetic stirrer 38min, add the 23% of calcium oxide quality isopropanol, 68 DEG C of heating in water bath, magnetic stirring apparatuss stir
After mixing 43min, add 0.65 times of calcium oxide quality of aluminium oxide, mix thoroughly, obtain compound, compound is put into combustor, with
The temperature of combustor is risen to 330 DEG C by the speed of 58 DEG C/h, and adjusting the indoor temperature of burning is 0.18MPa, calcines 2.8h, cold
But, pulverize.
Described modified corn core, preparation method is by corn cob, and drying to water content is 7%, pulverizes 70 mesh sieves, plus
Enter oxalic acid, addition is 1.8 times of corn cob quality, after magnetic stirring apparatuss stir 28min at 53 DEG C, add corn cob weight
0.33 times of bentonite, after continuing stirring 43min, filter, dry.
Described carbamide, urea phosphate, total nitrogen >=48%, described urea phosphate, potassium dihydrogen phosphate, with phosphorus pentoxide
Meter, total phosphorus content >=38%, described potassium dihydrogen phosphate, potassium carbonate, in terms of potassium oxide, general potassium amount >=45%.
The repairing fertiliser of described phenanthrene-polluted soil, its preparation method, comprise the following steps：
(1) by carbamide, urea phosphate, potassium dihydrogen phosphate, potassium carbonate, sodium carbonate and Borax are carried out respectively under respective fusing point
Melt process, is dried, and mixed, and vibrated 10min, obtain material 1 under the frequency of vibration of 110 times/min after pulverizing 30 mesh sieves respectively；
(2) Phenylalanine is dissolved in water, forms the aqueous solution that concentration is 40%, add weathered coal, with the speed of 2.5 DEG C/min
Degree rises to temperature after 95 DEG C, stirs 13min, stands 2～3h at 5 DEG C, is centrifuged 10min under the rotating speed of 1200r/min, will
Precipitation is dried, and pulverized 30 mesh sieves, and obtained material 2；
(3) will expect 1, expect 2, changed red mud, modified calcium hydroxide and the mixing of modified corn core, super under the frequency of 160KHz
Sonication 28min, by granulator granulation, dries.
Embodiment 4
A kind of repairing fertiliser of phenanthrene-polluted soil, is made up of following principle by weight：Carbamide 20kg, urea phosphate
15kg, potassium dihydrogen phosphate 35kg, potassium carbonate 20kg, sodium carbonate 18kg, Borax 8kg, Phenylalanine 9kg, weathered coal 15kg, micro
Element extraction liquid 14kg, changed red mud 22kg, modified calcium hydroxide 25kg, modified corn core 30kg.
Described trace element extracting solution, is by mass mixings such as wheat-germ meal, Herba corydalis edulis and Rhizoma amorphophallis, obtains compound, dries
It is 12% to water content, pulverized 80 mesh sieves, add 2.5 times of compound of tartaric acid, extract 3h, then the frequency with 80KHz
Lower supersound process 20min, is centrifuged 10min under the rotating speed of 2000r/min, takes supernatant, adds winestone acid soak precipitation, weight
Extract 2 times again, three supernatant merged, concentrates, you can.
Described changed red mud, collects red mud, adds the hydrochloric acid of 4.5mol/L, and adjusting pH value is 7, and clear water washs to red mud
In do not contain chloride ion, by red mud, attapulgite and epoxy resin press 1: 0.45: 3 mass ratio mixing, stir at 100 DEG C
Mix 55min, filter, under nitrogen protection, filtering residue is calcined 1.5h at 655 DEG C, pulverized 40 mesh sieves, you can.
Described modified calcium hydroxide, calcium oxide, tartaric acid and water is pressed 1: 0.35: 3 mass ratio mixing, at 100 DEG C,
Magnetic stirrer 40min, adds the 20% of calcium oxide quality isopropanol, 65 DEG C of heating in water bath, magnetic stirrer
After 45min, add 0.6 times of calcium oxide quality of aluminium oxide, mix thoroughly, obtain compound, compound is put into combustor, with 55
DEG C/temperature of combustor rises to 300 DEG C by the speed of h, adjusting the indoor temperature of burning is 0.2MPa, calcines 3h, cooling, pulverizes
?.
Described modified corn core, preparation method is by corn cob, and drying to water content is 8%, pulverizes 60 mesh sieves, plus
Enter oxalic acid, addition is 1.5 times of corn cob quality, after magnetic stirring apparatuss stir 25min at 55 DEG C, add corn cob weight
0.3 times of bentonite, after continuing stirring 45min, filter, dry.
Described carbamide, urea phosphate, total nitrogen >=48%, described urea phosphate, potassium dihydrogen phosphate, with phosphorus pentoxide
Meter, total phosphorus content >=38%, described potassium dihydrogen phosphate, potassium carbonate, in terms of potassium oxide, general potassium amount >=45%.
The repairing fertiliser of described phenanthrene-polluted soil, its preparation method, comprise the following steps：
(1) by carbamide, urea phosphate, potassium dihydrogen phosphate, potassium carbonate, sodium carbonate and Borax are carried out respectively under respective fusing point
Melt process, is dried, and mixed, and vibrated 8min, obtain material 1 under the frequency of vibration of 120 times/min after pulverizing 20 mesh sieves respectively；
(2) Phenylalanine is dissolved in water, forms the aqueous solution that concentration is 45%, add weathered coal, with the speed of 3 DEG C/min
Temperature is risen to after 90 DEG C, stirs 15min, at 4 DEG C, stand 3h, be centrifuged 2min under the rotating speed of 1500r/min, precipitation is dried
Dry, pulverize 20 mesh sieves, obtain material 2；
(3) will expect 1, expect 2, changed red mud, modified calcium hydroxide and the mixing of modified corn core, super under the frequency of 170KHz
Sonication 25min, by granulator granulation, dries.
Embodiment 5
A kind of repairing fertiliser of phenanthrene-polluted soil, is made up of following principle by weight：Carbamide 20, urea phosphate 20,
Potassium dihydrogen phosphate 25, potassium carbonate 20, sodium carbonate 18, Borax 12, Phenylalanine 6, weathered coal 15, trace element extracting solution 14, change
Property red mud 26, modified calcium hydroxide 18, modified corn core 30.
Described trace element extracting solution, is by mass mixings such as wheat-germ meal, Herba corydalis edulis and Rhizoma amorphophallis, obtains compound, dries
It is 12% to water content, pulverized 60 mesh sieves, add 3 times of compound of tartaric acid, extract 3h, then with the frequency of 80KHz
Supersound process 15min, is centrifuged 10min under the rotating speed of 3000r/min, takes supernatant, adds winestone acid soak precipitation, repeats
Extract 2 times, three supernatant merged, concentrates, you can.
Described changed red mud, collects red mud, adds the hydrochloric acid of 4.5mol/L, and adjusting pH value is 6.5, and clear water washs to red
Do not contain chloride ion in mud, red mud, attapulgite and epoxy resin are pressed 1: 0.52: 2 mass ratio mixing, at 100 DEG C
Stirring 55min, filters, and under nitrogen protection, filtering residue is calcined 1.7h at 655 DEG C, pulverized 20 mesh sieves, you can.
Described modified calcium hydroxide, the mass ratio that calcium oxide, tartaric acid and water are pressed 1: 0.38: 2.5 mixes, 110 DEG C
Under, magnetic stirrer 40min, add the 20% of calcium oxide quality isopropanol, 70 DEG C of heating in water bath, magnetic stirring apparatuss stir
After mixing 40min, add 0.7 times of calcium oxide quality of aluminium oxide, mix thoroughly, obtain compound, compound is put into combustor, with 60
DEG C/temperature of combustor rises to 300 DEG C by the speed of h, adjusting the indoor temperature of burning is 0.15MPa, calcines 3h, cooling, powder
Broken.
Described modified corn core, preparation method is by corn cob, and drying to water content is 6～8%, pulverizes 60～80
Mesh sieve, adds oxalic acid, addition is 1.5～2 times of corn cob quality, and magnetic stirring apparatuss stir 25 at 50～55 DEG C～
After 30min, add 0.3～0.35 times of corn cob weight of bentonite, after continuing stirring 40～45min, filter, drying is
Can.
Described carbamide, urea phosphate, total nitrogen >=48%, described urea phosphate, potassium dihydrogen phosphate, with phosphorus pentoxide
Meter, total phosphorus content >=38%, described potassium dihydrogen phosphate, potassium carbonate, in terms of potassium oxide, general potassium amount >=45%.
The repairing fertiliser of described phenanthrene-polluted soil, its preparation method, comprise the following steps：
(1) by carbamide, urea phosphate, potassium dihydrogen phosphate, potassium carbonate, sodium carbonate and Borax are carried out respectively under respective fusing point
Melt process, is dried, and mixed, and vibrated 8～12min, obtain material under the frequency of vibration of 120 times/min after pulverizing 20 mesh sieves respectively
1；
(2) Phenylalanine is dissolved in water, forms the aqueous solution that concentration is 35～45%, add weathered coal, with 3 DEG C/min's
Speed rises to temperature after 100 DEG C, stirs 15min, stands 3h at 4 DEG C, is centrifuged 8min under the rotating speed of 1500r/min, will
Precipitation is dried, and pulverized 20 mesh sieves, and obtained material 2；
(3) will expect 1, expect 2, changed red mud, modified calcium hydroxide and the mixing of modified corn core, super under the frequency of 150KHz
Sonication 30min, by granulator granulation, dries.
Experimental example
In order to further illustrate the using value of the present invention, inventor have chosen the Radix Betae experimental plot of 6 pieces of luxuriant and rich with fragrance pollutions, wherein
One piece during planting beet using common fertilizer as a control group, another 5 pieces respectively using the fertilizer of the embodiment of the present invention 1～5
As experimental group, after testing, the luxuriant and rich with fragrance content meansigma methodss on 6 pieces of ground are 45.9mg/kg, during plantation, the phenanthrene of 6 blocks of soil are adopted
Sample is analyzed, and is counted in conjunction with Sugarbeet Yield, result is as shown in table 1：
Table 1
Explanation：The present invention reaches more than 99.2% to soil China and Philippines removal efficiency, effect is significant, and the fertilizer of the present invention is not only luxuriant and rich with fragrance
Removal efficiency is high, also has abundant nutrition, has been effectively promoted the growth of Radix Betae, per mu yield is with respect to comparison taking Radix Betae as a example
Group, can increase production 11.2～11.6%, realize high yield and the double benefit of removing pollutant phenanthrene.
Claims (8)
1. a kind of repairing fertiliser of phenanthrene-polluted soil is it is characterised in that be made up of following principle by weight：Carbamide 20～
40th, urea phosphate 15～20, potassium dihydrogen phosphate 25～35, potassium carbonate 10～20, sodium carbonate 18～22, Borax 8～12, Phenylalanine
6～9, weathered coal 10～15, trace element extracting solution 14～18, changed red mud 22～26, modified calcium hydroxide 18～25, modification
Corn cob 20～30.
2. the repairing fertiliser of phenanthrene-polluted soil as claimed in claim 1 is it is characterised in that by following principle by weight
Composition：Carbamide 30, urea phosphate 18, potassium dihydrogen phosphate 30, potassium carbonate 15, sodium carbonate 20, Borax 11, Phenylalanine 8, weathered coal
13rd, trace element extracting solution 16, changed red mud 24, modified calcium hydroxide 22, modified corn 25.
3. the repairing fertiliser of phenanthrene-polluted soil as claimed in claim 1 is it is characterised in that described trace element extracting solution,
It is by mass mixings such as wheat-germ meal, Herba corydalis edulis and Rhizoma amorphophallis, obtains compound, drying to water content is 8～12%, pulverizes 60～80
Mesh sieve, adds 2.5～3 times of compound of tartaric acid, extracts 3～4h, then with supersound process under the frequency of 60～80KHz 15～
20min, is centrifuged 10～15min under the rotating speed of 2000～3000r/min, takes supernatant, adds winestone acid soak precipitation, weight
Extract 2 times again, three supernatant merged, concentrates, you can.
4. the repairing fertiliser of phenanthrene-polluted soil as claimed in claim 1, it is characterised in that described changed red mud, is collected red
Mud, adds the hydrochloric acid of 3.5～4.5mol/L, and adjusting pH value is 6.5～7, and clear water washs and do not contain chloride ion to red mud,
By red mud, attapulgite and epoxy resin press 1: 0.45～0.52: 2～3 mass ratio mixing, at 100～120 DEG C stirring 45～
55min, filters, and under nitrogen protection, filtering residue is calcined 1.5～1.7h at 655～670 DEG C, pulverized 20～40 mesh sieves, that is,
Can.
5. the repairing fertiliser of phenanthrene-polluted soil as claimed in claim 1, will it is characterised in that described modified calcium hydroxide
Calcium oxide, tartaric acid and water press 1: 0.35～0.38: 2.5～3 mass ratio mixing, and at 100～110 DEG C, magnetic stirring apparatuss stir
Mix 35～40min, add the 20～25% of calcium oxide quality isopropanol, 65～70 DEG C of heating in water bath, magnetic stirrer
After 40～45min, add 0.6～0.7 times of calcium oxide quality of aluminium oxide, mix thoroughly, obtain compound, compound is put into burning
The temperature of combustor is risen to 300～350 DEG C with the speed of 55～60 DEG C/h by room, adjust the indoor temperature of burning be 0.15～
0.2MPa, calcines 2.5～3h, cooling, pulverizes.
6. the repairing fertiliser of phenanthrene-polluted soil as claimed in claim 1 is it is characterised in that described modified corn core, preparation
Method is by corn cob, and drying to water content is 6～8%, pulverizes 60～80 mesh sieves, adds oxalic acid, addition is corn cob
1.5～2 times of quality, after magnetic stirring apparatuss stir 25～30min at 50～55 DEG C, add corn cob weight 0.3～
0.35 times of bentonite, after continuing stirring 40～45min, filters, dries.
7. the repairing fertiliser of phenanthrene-polluted soil as claimed in claim 1 is it is characterised in that described carbamide, urea phosphate, total nitrogen
Amount >=48%, described urea phosphate, potassium dihydrogen phosphate, in terms of phosphorus pentoxide, total phosphorus content >=38%, described biphosphate
Potassium, potassium carbonate, in terms of potassium oxide, general potassium amount >=45%.
8. the repairing fertiliser of phenanthrene-polluted soil as claimed in claim 1, it is characterised in that its preparation method, walks including following
Suddenly：
(1) by carbamide, urea phosphate, potassium dihydrogen phosphate, potassium carbonate, sodium carbonate and Borax are melted respectively under respective fusing point
Process, be dried, pulverize respectively and mix after 20～40 mesh sieves, under the frequency of vibration of 100～120 times/min vibration 8～
12min, obtains material 1；
(2) Phenylalanine is dissolved in water, forms the aqueous solution that concentration is 35～45%, add weathered coal, with 2～3 DEG C/min's
Speed rises to temperature after 90～100 DEG C, stirs 10～15min, stands 2～3h, in 1000～1500r/min at 4～6 DEG C
Rotating speed under be centrifuged 8～12min, will precipitation dry, pulverized 20～40 mesh sieves, obtained material 2；
(3) 1 will be expected, expect 2, changed red mud, modified calcium hydroxide and the mixing of modified corn core, under the frequency of 150～170KHz
Supersound process 25～30min, by granulator granulation, dries.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883016A (en) * | 2017-03-01 | 2017-06-23 | 安徽六国化工股份有限公司 | A kind of efficient soil remediation fertilizer |
| CN106927973A (en) * | 2017-03-01 | 2017-07-07 | 安徽六国化工股份有限公司 | A kind of repairing fertiliser of heavy-metal contaminated soil |
| CN107892630A (en) * | 2017-11-20 | 2018-04-10 | 曲方圆 | A kind of humic acid calcium silicate fertilizer based on red mud and preparation method thereof |
| CN109574764A (en) * | 2018-12-11 | 2019-04-05 | 中山市承铭农业技术开发有限公司 | A kind of production method of humic acid water-soluble fertilizer |
| CN109797022A (en) * | 2019-03-05 | 2019-05-24 | 西北师范大学 | A kind of preparation of clay-calcium based sulphur-fixation reagent and application in fixed cow dung/sulphur coal composite briquette |
| CN114538992A (en) * | 2022-04-11 | 2022-05-27 | 重庆农笑农业发展有限公司 | Efficient water-soluble microbial compound fertilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928188A (en) * | 2009-06-19 | 2010-12-29 | 深圳市意可曼生物科技有限公司 | Slow-release fertilizer with effect of soil remediation and remediation method of soil polluted by polycyclic aromatic hydrocarbons |
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2016
- 2016-12-28 CN CN201611240244.2A patent/CN106431779A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928188A (en) * | 2009-06-19 | 2010-12-29 | 深圳市意可曼生物科技有限公司 | Slow-release fertilizer with effect of soil remediation and remediation method of soil polluted by polycyclic aromatic hydrocarbons |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883016A (en) * | 2017-03-01 | 2017-06-23 | 安徽六国化工股份有限公司 | A kind of efficient soil remediation fertilizer |
| CN106927973A (en) * | 2017-03-01 | 2017-07-07 | 安徽六国化工股份有限公司 | A kind of repairing fertiliser of heavy-metal contaminated soil |
| CN107892630A (en) * | 2017-11-20 | 2018-04-10 | 曲方圆 | A kind of humic acid calcium silicate fertilizer based on red mud and preparation method thereof |
| CN109574764A (en) * | 2018-12-11 | 2019-04-05 | 中山市承铭农业技术开发有限公司 | A kind of production method of humic acid water-soluble fertilizer |
| CN109797022A (en) * | 2019-03-05 | 2019-05-24 | 西北师范大学 | A kind of preparation of clay-calcium based sulphur-fixation reagent and application in fixed cow dung/sulphur coal composite briquette |
| CN114538992A (en) * | 2022-04-11 | 2022-05-27 | 重庆农笑农业发展有限公司 | Efficient water-soluble microbial compound fertilizer |
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